Welcome to the 2013 OzFlux Workshop · Janina Virginia Park Darwin Wagga Wagga Tamworth Esperance...
Transcript of Welcome to the 2013 OzFlux Workshop · Janina Virginia Park Darwin Wagga Wagga Tamworth Esperance...
![Page 1: Welcome to the 2013 OzFlux Workshop · Janina Virginia Park Darwin Wagga Wagga Tamworth Esperance Newcastle waters CO 2 & H 2 O fluxes H 2 O fluxes Baseline concentration 1 NT Uni.](https://reader034.fdocuments.us/reader034/viewer/2022051913/6004ae769910026d0807375c/html5/thumbnails/1.jpg)
Welcome to the 2013 OzFlux Workshop
Michael Liddell (James Cook University)
Helen Cleugh and Eva van Gorsel (CSIRO)
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OzFlux: the story so far and future directions
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A short history of OzFlux
Australian flux monitoring in mid 1990s (OASIS: 1994 and 1995)
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A short history of OzFlux
Charles Darwin and Monash Universities
Howard Springs (ca. 2000)
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A short history of OzFlux
CSIRO: Tumbarumba in 2000
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Ozflux sites
Meredin
100
200
300
400
500
600
800
1000
1200
1600
2000
2400
3200
3500
Townsville
Cape Grim
Daintree
Tumbarumba
Janina
Virginia
Park
Darwin
Wagga
Wagga
Tamworth
Esperance
Newcastle
waters
CO2 & H2O fluxes
H2O fluxes
Baseline concentration
1 NT Uni.
2 James Cook Uni.
3 CLW Davies Lab
4 CLW Pye lab
5 ANU
6 CSIRO PI
7 CLW Pye Lab
8 CSIRO Atmos. Res.
9 Monash Uni.
CSIRO Forestry
U. Wollongong
UNSW
UTS
4
3
21
79
5
8
6
66
By 2001, OzFlux was a vision shared across CSIRO, ANU, Monash and Charles Darwin Universities.... but really a network in search of some flux towers
A short history of OzFlux
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TERN - OzFlux: Achievements
1. NCRIS infrastructure investment in TERN in 2009 enabled OzFlux to grow:
• A continental network – hardware, software
• Nationally-consistent methods
• OzFlux community – Workshops & training
• Database – Monash eResearch Centre, funded by ANDS (Australian National Data Service)
with co-investment from Unis, ARC, CSIRO ...
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2. A network of flux towers and supporting infrastructure
• Sensors, data acquisition and power supply
• Telecommunications
• Standardised across network of remote sites
TERN - OzFlux: Achievements
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From just 4 flux towers and 3 agencies in 2003 ...
... to 23 flux towers at remote sites around Australia (not all TERN funded) in 2012 Operated by 10 agencies
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Adelaide River, NT
Alice Springs, Mulga, NT
Arcturus-Emerald, QLD
Calperum, SA
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Daintree Discovery, QLD
Daly Uncleared, NT
Dry River, NT Gingin, WA
Dargo, VIC
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Great Western Woodlands, WA
Howard Springs, NT
Nimmo, NSW Otway, VIC
Riggs Creek, VIC
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Samford, QLD
Sturt Plains, NT
Cape Tribulation, QLD
Virginia Park, QLD
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Wombat Forest, VIC
Wallaby Creek (pre and post-fire), VIC
Bago Forest Tumbarumba, NSW
Wombat State Forest, VIC
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3. A network of flux towers plus data infrastructure
• Technically sophisticated and complex
• Standardised approaches
• Automated processing and QC/QA
• Coordinated by OzFlux Central node – data checking, problem solving, data management
All have represented big challenges for OzFlux
TERN - OzFlux: Achievements
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4. A network of flux towers and people!
• OzFlux Annual Workshops
• OzFlux Training Days: the art of flux measurements, data processing, .....
2008: Adelaide 2012: Methven, NZ
TERN - OzFlux: Achievements
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4. A network of flux towers and people!
• OzFlux and TERN websites http://www.ozflux.org.au/monitoringsites/index.html
http://www.tern.org.au/OzFlux-pg17729.html
• OzFlux Project on ResearchGate https://www.researchgate.net/project/OzFlux/
• FLUXNET http://fluxnet.ornl.gov/
TERN - OzFlux: Achievements
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OzFlux 2013
Sites 28
Accounts 96
Site-years 62 11 years of ecosystem breathing at
Tumbarumba, NSW
A snapshot of 1-year from Howard
Springs, NT
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OzFlux and TERN: data and process understanding needed for research addressing national research priorities:
• Ecosystem science
• Sustainable resource management: carbon, water
• Carbon – climate – water interactions
• Ecosystem health and State of the Environment assessments
TERN - OzFlux: Relevance and impacts
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…. the TERN infrastructure “ecosystem”
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Some climate policy questions and the research needed to provide the answers
What is the role of natural land and ocean sinks in sequestering greenhouse gas (GHG) emissions and what will happen to these sinks in the future? • Carbon cycle observations that track the uptake and release of
greenhouse gases in land, air and oceans
• How does climate change and variability affect Australia’s carbon budget (sources and sinks; anthropogenic and biogenic)?
• Climate models (such as ACCESS) include coupled carbon and water cycle
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Can natural land sinks mitigate Australia’s GHG emissions?
What is the impact of natural disturbance regimes; how are they changing? • Investigate how climate and land management affect the stability of
Australia’s land-based carbon sinks
• How will carbon dioxide fertilisation affect Australian vegetation?
• Ensuring global and regional climate simulations represent Australian terrestrial ecosystem processes
Some climate policy questions and the research needed to provide the answers
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TERN - OzFlux: Relevance and impacts
A capability to determine carbon and water budgets at ecosystem to continental scales
• Uptake and release of CO2 and other GHG [fluxes]
• Carbon stocks in soil, plants and air [stores]
• Water and carbon
• Measurements and models
…. the TERN infrastructure “ecosystem”
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Knowledge of ecosystem exchange
of carbon, water and energy
Vegetation type
GPP
Veg indices (NDVI, EVI)
Leaf area index
Fire
Canopy properties .....
CO2 and H2O Fluxes
Radiation
Meteorology
Site characteristics
Biomass
Soil carbon & nutrients
Leaf-level photosynthesis
Data assimilation and integration into
modelling applications
AusPlots and Australian Supersites Network OzFlux Network
eMAST AusCover
…. the TERN infrastructure “ecosystem”
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Regional carbon and water budgets
(e.g. RECCAP)
Australian Water Resources
Assessments
Australian Climate Change Science
Program
Climate and Earth System Modelling
(ACCESS)
OzFlux and TERN
Australian ecosystem and climate science
TERN - OzFlux: Relevance and impacts
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FLUXNET, KIWIFLUX
GEWEX Future Earth: WCRP - ESSP
NEON
OzFlux And TERN
Global ecosystem, climate and Earth system science
TERN - OzFlux: Relevance and impacts
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Future Priorities and Directions
1. Acquiring and sharing quality data
• Measurement and analysis techniques
• Data quality
• Data access, sharing and curation
2011 2012 2013
Sites 8 19 28
Accounts 62 96
Site-years 46 62
Courtesy Peter Isaac
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Future Priorities and Directions
2. Site and Network enhancements
• Sustainability of sites and network
• Broader suite of observations
• Enhance continental coverage
1 2 3 4 5 6 7 8 9 10 11
0
1
2
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2012
2013
Years of Data
Nu
mb
er
of
Sit
es
0
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TERN-funded
Non-TERN funded
Nu
mb
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of
Sit
es
Courtesy Peter Isaac
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Future Priorities and Directions
3. Science and policy impact
OzFlux data used to:
• Test and improve land surface models [esp. CABLE]
Australian ecosystems in regional and global weather and climate models
• Constrain first comprehensive carbon budget
Significantly reduce the uncertainty in estimated NPP for Australia
• Quantify ecosystem response to land management, disturbance and climate variability
Subtropical and tropical savannas, SE forests, mulga ...
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Future Priorities and Directions
Insights into carbon and water budget dynamics for the Australian continent, e.g. large interannual variability in NPP • driven by available
moisture
• larger than anthropogenic greenhouse gas emissions
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Au
stralian C
O2 B
ud
get Haverd et al.
2013 a, b.
Biogeosciences
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Future Priorities and Directions
3. Science and policy impact
The challenge:
• Demonstrate importance of OzFlux data for key research questions
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Thank You and Questions
Acknowledgements
• OzFlux – Ray Leuning
– Peter Isaac and Eva van Gorsel
– OzFlux PIs and technical support
• Collaborators – Vanessa Haverd (Australian carbon and
water balance, BIOS2 simulations)
– TERN community
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